local.test.h

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// -*- mode: c++; tab-width: 4; indent-tabs-mode: t -*-
/*
 * popcon/local test
 *
 * Copyright (C) 2007  Enrico Zini <enrico@debian.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <ept/popcon/local.h>
#include <ept/popcon/popcon.h>
#include <ept/popcon/maint/path.h>

#include <ept/test.h>

using namespace std;
using namespace ept;
using namespace ept::popcon;

struct TestPopconLocal
{
    Path::OverridePopconSourceDir odsd;
    Path::OverridePopconIndexDir odid;
    Path::OverridePopconUserSourceDir odusd;
    Path::OverridePopconUserIndexDir oduid;

    Popcon popcon;
    Local local;

    TestPopconLocal()
        : odsd( TEST_ENV_DIR "popcon" ),
          odid( TEST_ENV_DIR "popcon" ),
          odusd( TEST_ENV_DIR "popcon" ),
          oduid( TEST_ENV_DIR "popcon" ),
          local( TEST_ENV_DIR "popcon/popularity-contest" )
    {}

    // Very basic access
    Test basicAccess()
    {
        assert(local.score("apt") > 0);
        assert(local.tfidf(popcon, "apt") > 0);
    }

#if 0 // mornfall: apparently left out by enrico, leaving as it is
// Check that every valid index is accessible
template<> template<>
void to::test< 2 >()
{
    for (size_t i = 0; i < popcon.size(); ++i)
    {
        //cerr << popcon.name(i) << " " << popcon.score(i) << endl;
        assert(popcon.score(i) > 0);
    }
}

// Check that we can get a score for every package
template<> template<>
void to::test< 3 >()
{
    int has = 0;
    for (Apt::iterator i = apt.begin(); i != apt.end(); ++i)
    {
        float score = popcon.score(*i);
        if (score > 0)
            ++has;
    }
    // At least 1000 packages should have a score
    assert(has > 1000);
}

// Check that scores are meaningful
template<> template<>
void to::test< 4 >()
{
    assert(popcon["apt"] > popcon["libapt-pkg-dev"]);
}

// If there is no data, Popcon should work as if all scores were 0
template<> template<>
void to::test<5>()
{
    Path::OverridePopconSourceDir odsd("./empty");
    Path::OverridePopconIndexDir odid("./empty");
    Path::OverridePopconUserSourceDir odusd("./empty");
    Path::OverridePopconUserIndexDir oduid("./empty");
    Popcon empty;

    assert_eq(empty.timestamp(), 0);
    assert(!empty.hasData());

    assert(empty.size() == 0);
    assert(empty.score("apt") == 0.0);
}
#endif

};

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